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AFG-2225是固??子**台?通道的任意波函?敌盘??生器?品。AFG-2225是一台具??山M等性能的信??出通道，以DDS技??榛?A，?合任意波功能的信??生器，提供25MHz?段，且提供全?段1uHz的?率解析度。???通道?出振幅均可?10Vpp。?冉ㄕ?也?方波/三角波(??波)/??信?等函?挡ㄐ巍Ｔ谌我獠ú糠痔峁?20MSa/s取?勇省?0位元解析度、4k?????深度的任意波??功能，?K在任意波??模式中?冉?烁哌_66?函?挡ㄐ危??使用者可以依所需要的函?颠M行?用。而在方波的工作?期上也提供了1%~99%的??度?整，可作?槊}?波信?源。另外此?C??提供AM/FM/PM/FSK/SUM??、?呙?Sweep)、?布?Burst)以及??灯?Counter)功能，以因??谕ㄓ??域中各?不同的??谩?/span>

AFG-2225在介面的??上，除了?裼萌?滴坏牟僮髟O?搭配旋??行?抵档奈⒄{?定外，3.5?嫉牟噬?CD?幕在???r仍?裼霉叹?AFG?品一?使用的所?即所得(WYSIWYG)的??方式，?使用者??r能掌握了解目前的信?????B。而在通?介面部分，AFG-2225配?淞?SB Host/Device通?介面，透?USB Host可?GW Instek所有的GDS系列示波器?行直接波形重建的功能??身碟的存取，而透?USB Device?t可?行??端的?端控制或者透???俚?C端任意波?????⑹褂谜呔??後的波形?魉偷?FG-2225中。

• Frequency ranges from 1uHz to 25MHz, and offers multiple standard waveforms

   

   
• Full-Functions equipped Dual-channel Signal Output Capability

   

   
• Correlated Functions of Dual-channel Outputs

   

   

  The two channels can be used in either independent or correlated configuration. AFG-2225 provides three correlated functions which are Couple, Tracking and Phase functions. For Couple function, two signals with a ratio or offset in amplitude or frequency can be generated. One of two signals with adjustable offset frequency is an example which can form the two-tone signals for testing the third order inter-modulation distortion of an amplifier. With Tracking function, two differential signals with equal-frequency, equal-amplitude but inverted phase can be produced. Examples such as PECL, LVPECL and LVDS digital signals or automotive sensors like temperature, speed signals are all able to be simulated by tracking function. The Phase function is designed to create two signals with specified phase offset. When user wants to create two quadrature (sine and cosine) signals, the phase offset is set to be 90 degrees in the Phase function. In conclusion, compared with other arbitrary function generators only equipped with phase function, AFG-2225 provides great convenience to fulfill the various challenges coming from modern electronic industries.
  Coupling in dual-channel Operation
  Differential Signals	Quadrature (sine and cosine) signals

   

   
• High-flexibility of Arbitrary Waveforms Editing

   

   

  AFG-2225 provides 120MSa/s sampling rate, 10-bit vertical resolution, 4k-point waveform length, and the maximum waveform repeated rate of 60MHz, regarded as an outstanding arbitrary waveform capability. There are four ways for AFG-2225 to generate customized arbitrary waveforms, which are editing waveform via PC software, point-by-point editing on the panel, loading CSV file and loading the captured waveform from GW Instek GDS-Series Oscilloscopes. The PC software editing and point-by-point editing particularly provide the way to create the user-defined and post-modification waveform. CSV file loading capability allows AFG-2225 to produce the waveforms with complicated math operation result. For example the MSK (minimum shift keying) signaling in digital communication system needs integral operation. Engineer can use PC math software to process the integral and then send the results in CSV format to AFG-2225. With the link to GW Instek GDS-series Digital Storage Oscilloscopes (DSOs), the waveforms of interest can be captured by DSO and then reconstructed by AFG-2225. User can capture the waveform during the operation and then reconstructed by AFG-2225 for further analysis or diagnosis in the laboratory. Thus, plus the dual-channel feature, numerous derivative applications of capturing signal can be achieved.
  Front Panel Operation	Supports CSV file upload
  Direct Waveform Reconstruction (DWR) Capability	Arbitrary Waveform Editing PC Software

   

   
• 1%~99% Adjustable Duty Cycle of Square Wave

   

   

  Inheriting the advantage of AFG-2000 Series, AFG-2225 provides a 1%~99% variable duty cycle for its Square waveform within 100kHz bandwidth, which is considered practical for the tests such as simulating pulse and transient signals without purchasing extra advanced function generator and pulse generator.

   

   
• Friendly Operating Interfaces and Instant Parameter Display

   

   

  AFG-2225 provides friendly panel operation setting as well as what You See Is What You Get operating way. From editing to output, the process can be manipulated via panel. Besides equipped with highly-flexible editing method, the immediate diagram is capable for users to understand the current waveform status and the output waveform contents under the storage/output setup.

  More flexibility of arbitrary waveform storage and extraction

   

   
• 66 Built-in Arbitrary Waveforms

   

   

  66 frequently used function waveforms in all fields are built in arbitrary waveform memory for user's selection. They are categorized into four groups, Common, Math, Window and Engineer. The trigonometric derivative functions, Blackman, Chebyshev, Bessel, Gamma, Gauss ... can be selected and developed by further editing.

  66 kinds of waveforms in 4 catalog

   

   
• Support Multi-change Signal Application

   

   

  AFG-2225 owns built-in functions, such as Modulation, Sweep, Burst, and RF Counter. The modulation waveforms contain AM, FM, PM, FSK, SUM, and either an internal signal or an external signal can be selected to perform the modulation. Sweep Function includes two sweep ways, linear and log mode, which can also perform sweep function in internal or external. Burst function supports two modes, Gate and N-Cycle, which can be used to control parameters such as phase angles, duration frequency, and duration time. The built-in Frequency Counter is available to provide the maximum 150MHz frequency range without additional purchase.

  FSK Modulation, Sweep, and Burst Function

   

   
• Impedance Switch Function

   

   

  Majority of users are using oscilloscope to observe the waveforms of function generators. However, the differences of input impedance of function generators and oscilloscopes are not the same, and the oscilloscope will not necessarily be equipped with built-in input impedance switch function; the correct amplifier can only be received through computing. AFG-2225 provides 50Ω and high-input impedance switching modes, which can efficiently enhance the accuracy while users reading the results.

  50Ω/High Z Impedance Switch Function

   

   
• Provide USB Host/Device Interface

   

   

  The USB Host/Device Interfaces are located at the rear panel of AFG-2225. The USB Host is mainly used for directly reconstruction of waveforms of GW Instek GDS-Series Oscilloscope, thus, it can be stored and recalled at portable USB Flash Drive; as to USB Device, which is used to connecting with PC, besides controlling through software on PC, USB Device also supports IEEE488.2 Command List for users to process customized functional control.

  USB Host & USB Device